/ Dictionary / Index B Bachelor of Science: Meaning and Definition of Find definitions for: Bach'elor of Sci'ence Pronunciation: [key] a bachelor's degree, usually awarded for studies in natural science, pure science, or technology. a person having this degree. Abbr.: B.S., B.Sc., S.B., Sc.B. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bachelor of Arts bachelor party Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language